/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.rocketmq.example.ordermessage;

import org.apache.rocketmq.client.consumer.DefaultMQPushConsumer;
import org.apache.rocketmq.client.consumer.listener.*;
import org.apache.rocketmq.client.exception.MQClientException;
import org.apache.rocketmq.common.consumer.ConsumeFromWhere;
import org.apache.rocketmq.common.message.MessageExt;

import java.util.List;

/**
 * 顺序消息
 */
public class Consumer {

    public static void main(String[] args) throws MQClientException {
        DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("please_rename_unique_group_name_3");

        consumer.setNamesrvAddr("localhost:9876");
        consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_LAST_OFFSET);

        consumer.subscribe("OrderTopicTest", "*");
        // consumer.subscribe("TopicTest", "TagA || TagC || TagD");

        // 有序的消息监听器
        consumer.registerMessageListener(new MessageListenerOrderly() {
            @Override
            public ConsumeOrderlyStatus consumeMessage(List<MessageExt> msgs, ConsumeOrderlyContext context) {
                context.setAutoCommit(true);
                for (MessageExt msg : msgs) {
                    System.out.println("收到消息内容：" + new String(msg.getBody()));
                }
                return ConsumeOrderlyStatus.SUCCESS;
            }
        });

        // 无序的消息监听器
        consumer.registerMessageListener(new MessageListenerConcurrently() {
            @Override
            public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs, ConsumeConcurrentlyContext context) {
                for (MessageExt msg : msgs) {
                    System.out.println("收到消息内容：" + new String(msg.getBody()));
                }
                return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
            }
        });


        // consumer.registerMessageListener(new MessageListenerOrderly() {
        //     AtomicLong consumeTimes = new AtomicLong(0);
        //
        //     @Override
        //     public ConsumeOrderlyStatus consumeMessage(List<MessageExt> msgs, ConsumeOrderlyContext context) {
        //         context.setAutoCommit(true);
        //         System.out.printf("%s Receive New Messages: %s %n", Thread.currentThread().getName(), msgs);
        //         this.consumeTimes.incrementAndGet();
        //         if ((this.consumeTimes.get() % 2) == 0) {
        //             return ConsumeOrderlyStatus.SUCCESS;
        //         } else if ((this.consumeTimes.get() % 3) == 0) {
        //             return ConsumeOrderlyStatus.ROLLBACK;
        //         } else if ((this.consumeTimes.get() % 4) == 0) {
        //             return ConsumeOrderlyStatus.COMMIT;
        //         } else if ((this.consumeTimes.get() % 5) == 0) {
        //             context.setSuspendCurrentQueueTimeMillis(3000);
        //             return ConsumeOrderlyStatus.SUSPEND_CURRENT_QUEUE_A_MOMENT;
        //         }
        //
        //         return ConsumeOrderlyStatus.SUCCESS;
        //     }
        // });

        consumer.start();
        System.out.printf("Consumer Started.%n");
    }

}
